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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System >> ASCD Indicator >> ASCD Indicator Checking Condition
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ASCD Indicator Checking Condition

  1. CHECK OVERALL FUNCTION 

    Check ASCD indicator under the following conditions.

    Fig 1: Diagnostic Procedure Condition Specification Chart
    G02691963Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    OK: INSPECTION END 

    NG: GO TO 2.

  2. CHECK DTC 

    Check that DTC U1000 or U1001 is not displayed.

    OK or NG

    OK: GO TO 3.

    NG: Perform trouble diagnosis for DTC U1000, U1001. Refer to DTC U1000, U1001 CAN COMMUNICATION LINE .

  3. CHECK DTC WITH COMBINATION METER 

    Refer to COMBINATION METERS .

    OK or NG

    OK: GO TO 4.

    NG: GO to COMBINATION METERS .

  4. CHECK INTERMITTENT INCIDENT 

    Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

    : INSPECTION END